UNT Libraries Government Documents Department - 36 Matching Results

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Link Gear

Description: Patent for a link gear that provides a valve gearing for locomotives resembling a link motion. This link gear has a reduced number of parts compared to other link gears.
Date: unknown
Creator: Flournoy, Robert
Item Type: Refine your search to only Patent

Turntable.

Description: Patent for an improved turntable "designed to be attached to and carried beneath a motor car" (lines 12-13) that would allow the car (train car) to be elevated or lowered onto railroad tracks. The device includes a base, pedestals, and a rotatable base.
Date: January 3, 1922
Creator: Westmoreland, James P. & Bullington, John D.
Item Type: Refine your search to only Patent

Fishhook.

Description: Patent for a fishhook that allows for a swiveling motion that does not interfere with the connection to the fishing line.
Date: December 20, 1921
Creator: King, James Manning
Item Type: Refine your search to only Patent

Well-Drilling Tool.

Description: Patent for a bit that can be attached to a rotary tool for drilling wells. It features a means for using water to dislodge any accumulated mud from the tool.
Date: April 5, 1921
Creator: Clore, Franklin H.
Item Type: Refine your search to only Patent

Band-Saw

Description: Patent for improving band-saws for lumber "which can be inexpensively produced, which will not readily crack or otherwise deteriorate in use" (lines 15-18) by "reinforc[ing] the gullets of the teeth that the tendency for cracks to form at this point will be reduced to a minimum" (lines 33-35).
Date: September 28, 1920
Creator: McCormick, Merton H.
Item Type: Refine your search to only Patent

Mail-Bag Catcher

Description: Patent for improvements of mail bag catchers. This patent proposes improvements on the construction and arrangements of mail bag catchers including the alteration of the jaw and the addition of springs. Includes illustrations.
Date: March 26, 1918
Creator: Davis, Tomie
Item Type: Refine your search to only Patent

Automatic Water Cut-Off

Description: Patent for improvements to automatic water cut-offs adapted to be useful "in the event of the falling of temperature to freezing or any other predetermined degree of automatically cutting off the flow of the water." (Lines 18-22).
Date: November 13, 1917
Creator: Goodridge Wilson B.
Item Type: Refine your search to only Patent

Folding Wagon-Top

Description: Patent for an improved portable vehicle top such as is used upon farm wagons and the like. The wagon-top is constructed so that it may be easily removably connected with a wagon, so that it may be folded when attached to the wagon, and so that it may provide improved means for releasably connecting the supporting leg of the top proper with the standards which carry the top.
Date: January 4, 1916
Creator: Safford, Edward B.
Item Type: Refine your search to only Patent

Hook

Description: Patent for a self releasing log hook to rapidly move logs from one location to another. It provides simplicity in structure, effectiveness in operation and inexpensiveness in manufacture.
Date: January 9, 1912
Creator: Knox, Hiram
Item Type: Refine your search to only Patent

Car Door

Description: Patent for a car-door. The design is to prevent rattling and reduce wear on rail car doors. Illustration included.
Date: September 6, 1910
Creator: Lott, Andrew Gains & Handley, John A., Jr.
Item Type: Refine your search to only Patent
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